Here's a natural answer to the problem of losing excess weight and keeping it off--your metabolism. This book contains solutions and help for a slow metabolism, weight problems, obesity, diabetes, hypothyroidism and other related symptoms. It provides natural techniques, tested on more than 10,000 people, that can be used to speed up or repair a slow metabolism. These include metabolism-boosting nutrition, supplement recommendations tailored to your symptoms, and a body-temperature test. Now in Spanish.